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uysha [10]
3 years ago
7

Which phrase describes a solution?

Chemistry
2 answers:
VMariaS [17]3 years ago
8 0
A. A homogeneous mixture
inn [45]3 years ago
5 0

Answer:

The answer is A. A homegeneous mixture

Explanation:

A chemical solution is the homogeneous mixture of one or more substances dissolved in another substance in greater proportion. A chemical solution is composed of solute and solvent. The solute is the substance that dissolves and the solvent that dissolves it.

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Calculate the Ph of:
andrey2020 [161]

Answer:

pH= 3.82

Explanation:

Sodium ethanoate or sodium acetate (CH3COONa) ionises completely.

Ethanoic acid or acetic acid (CH3COOH), ionises partially because it is a weak acid.

4 0
3 years ago
Methane burns in the presence of oxygen to form carbon dioxide and water.
wlad13 [49]

Answer:

= 9.28 g CO₂

Explanation:

First write a balanced equation:

CH₄ + 2O₂ -> 2H₂O + CO₂

Convert the information to moles

7.50g CH₄ = 0.46875 mol CH₄

13.5g O₂ = 0.421875 mol O₂

Theoretical molar ratio CH₄:O₂ -> 1:2

Actual ratio is  0.46875 : 0.421875 ≈ 1:1

If all CH₄ is used up, there would need to be more O₂

So O₂ is the limiting reactant and we use this in our equation

Use molar ratio to find moles of CO₂

0.421875 mol O₂ * 1 mol CO₂/2 mol O₂=0.2109375 mol CO₂

Then convert to grams

0.2109375 mol CO₂ = 9.28114 g CO₂

round to 3 sig figs

= 9.28 g CO₂

5 0
3 years ago
8 Write the equation
MAVERICK [17]

Answer:

Explanation — This page looks at the oxidation of alcohols using acidified sodium or ... of sodium or potassium dichromate(VI) acidified with dilute sulfuric acid. ... The electron-half-equation for this reaction is as follows: ... To do that, oxygen from an oxidizing agent is represented as [O]. ... Article type: Section or Page.

6 0
3 years ago
Draw an energy diagram for an endothermic and exothermic reaction and label the diagram ​
just olya [345]
Energy diagram for and endothermic and exothermic reaction

5 0
3 years ago
Read 2 more answers
Please help me out Fast people
kifflom [539]
I think convergent but could be wrong
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3 years ago
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